Weather Averages for Barnett, IL

7-day Forecast / 10-day Forecast

Latitude: 39°16'N, Longitude: 89°52'W, Elevation: 630.0 ft, Distance: 11.47 mi Barnett, IL Averages »

	Unit	Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average temperature over 30 years	°F	53	26	31	43	55	64	73	76	74	68	56	44	31
Average high temperature over 30 years	°F	64	36	41	53	66	76	84	88	86	80	68	53	40
Average low temperature over 30 years	°F	43	17	22	32	43	52	61	65	62	55	44	34	23
Highest recorded temperature over 104 years	°F	113	73	82	91	91	98	105	113	109	105	95	84	73
Lowest recorded temperature over 104 years	°F	-23	-22	-23	-11	16	26	37	44	37	24	14	-4	-20
Average number of days above 90°F over 30 years	days	44	-	-	-	0.1	1.5	8.5	15	13	5.6	0.4	-	-
Average precipitation over 30 years	in	38.8	1.7	1.9	3.5	3.7	4.5	3.6	4.0	3.5	3.6	2.8	3.1	3.1
Average number of days below 32°F over 30 years	days	113	26	23	17	4.7	0.3	-	-	-	0.2	3.7	14	24
Average number of days below 0°F over 30 years	days	5.7	2.7	1.5	0.1	-	-	-	-	-	-	-	-	1.3
Average snowfall over 30 years	in	20.6	6.1	5.0	3.6	0.7	-	-	-	-	-	-	1.2	4.4
Most rain reported in a day over 106 years	in	6.2	2.9	2.2	4.0	4.1	2.8	5.3	6.2	5.0	4.0	4.8	4.1	3.8
Most rain reported in a month over 106 years	in	58.1	7.2	5.6	8.7	11.5	10.9	10.9	11.6	11.1	12.3	8.9	8.9	7.9
Least rain reported in a month over 106 years	in	21.9	-	0.1	0.2	1.1	0.1	0.1	0.3	0.1	-	0.2	0.1	0.1
Heating degree days over 30 years	days	5251	1190	942	671	322	112	10	2	3	61	288	625	1025
Cooling degree days over 30 years	days	1217	-	-	3	23	91	254	368	301	150	26	1	-
Most snow reported in a month over 106 years	in	45.1	25.4	22.5	22.3	8.5	3.0	-	-	-	-	2.0	9.7	25.5

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